Analysis Summary
Notes:
- 1) No attempt has been made to eliminate the non-significant decimal places.
- 2) This batgrbproduct analysis is done using the HEASARC data.
- 3) This batgrbproduct analysis is using the flight position for the mask-weighting calculation.
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BAT GRB EVENT DATA PROCESSING REPORT
Process Script Ver: batgrbproduct v2.46
Process Start Time: Wed Jun 1 15:50:21 EDT 2016
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger683076
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Trigger: 00683076 Segment: 000
BAT Trigger Time: 482559837.184 [s; MET]
Trigger Stop: 482559841.28 [s; MET]
UTC: 2016-04-17T04:23:41.047080 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 120.239601231894 Dec: 7.67083182618275 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.19
Image Trigger?: NO
Rate S/N Ratio: 12.2065556157337 [ if not an image trigger ]
Image S/N Ratio: 7.19
Analysis Position: [ source = BAT ]
RA: 120.239601231894 Dec: 7.67083182618275 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 120.26119485532 Dec: 7.64577746435861 [deg; J2000]
{ 08h 01m 02.7s , +07d 38' 44.8" }
+/- 1.88489570359867 [arcmin] (estimated 90% radius based on SNR)
+/- 0.911537030679353 [arcmin] (formal 1-sigma fit error)
SNR: 12.2984611493289
Angular difference between the analysis and refined position is 1.977020 arcmin
Partial Coding Fraction: 0.4140625 [ including projection effects ]
Duration
T90: 14.5519999265671 +/- 2.31705759617694
Measured from: -1.18400001525879
to: 13.3679999113083 [s; relative to TRIGTIME]
T50: 7.79599994421005 +/- 1.62308347734845
Measured from: 1.87999999523163
to: 9.67599993944168 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 1.50799995660782
to: 2.50799995660782 [s; relative to TRIGTIME]
Total Fluence
Measured from: -2.1360000371933
to: 13.8880000114441 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.368036 0.357334 0.233119 0.082620
0.039524 0.040964 0.035684 0.031376 [error]
Peak 0.017645 0.051370 0.023814 0.016950
0.010334 0.010756 0.009481 0.008364 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 16.024 -2.136 13.888
T90 14.552 -1.184 13.368
T50 7.796 1.880 9.676
Peak 1.000 1.508 2.508
====== Spectral Analysis Summary =====================================
Model : spectral model: simple power-law (PL) and cutoff power-law (CPL)
Ph_index : photon index: E^{Ph_index}
Ph_90err : 90% error of the photon index
Epeak : Epeak in keV
Epeak_90err: 90% error of Epeak
Norm : normalization at 50 keV in both the PL model and CPL model
Nomr_90err : 90% error of the normalization
chi2 : Chi-Squared
dof : degree of freedo
=== Time-averaged spectral analysis ===
(Best model with acceptable fit: PL)
Model Ph_index Ph_90err_low Ph_90err_hi Epeak Epeak_90err_low Epeak_90err_hi Norm Nomr_90err_low Norm_90err_hi chi2 dof
PL -1.926 -0.245 0.230 - - - 4.05e-03 -5.82e-04 5.61e-04 66.510 57
CPL -1.929 -0.818 0.286 9999.360 N/A N/A 4.04e-03 N/A N/A 66.510 56
=== 1-s peak spectral analysis ===
(Best model with acceptable fit: PL)
Model Ph_index Ph_90err_low Ph_90err_hi Epeak Epeak_90err_low Epeak_90err_hi Norm Nomr_90err_low Norm_90err_hi chi2 dof
PL -1.499 -0.506 0.495 - - - 7.72e-03 -2.18e-03 2.16e-03 54.010 57
CPL -0.595 -5.556 0.595 77.389 N/A N/A 2.20e-02 N/A N/A 53.800 56
=== Fluence/Peak Flux Summary ===
Model Band1 Band2 Band3 Band4 Band5 Total
15-25 25-50 50-100 100-350 15-150 15-350 keV
Fluence PL 1.24e-07 1.75e-07 1.85e-07 3.59e-07 5.96e-07 8.42e-07 erg/cm2
90%_error_low -2.27e-08 -2.07e-08 -3.65e-08 -1.28e-07 -8.19e-08 -1.67e-07 erg/cm2
90%_error_hi 2.37e-08 2.07e-08 3.64e-08 1.66e-07 8.29e-08 1.95e-07 erg/cm2
Peak flux PL 3.18e-01 3.20e-01 2.26e-01 2.54e-01 9.64e-01 1.12e+00 ph/cm2/s
90%_error_low -1.45e-01 -9.98e-02 -7.86e-02 -1.44e-01 -2.77e-01 -3.11e-01 ph/cm2/s
90%_error_hi 1.69e-01 9.68e-02 7.62e-02 2.22e-01 2.80e-01 3.12e-01 ph/cm2/s
Fluence CPL 1.22e-07 1.67e-07 1.75e-07 3.98e-07 5.75e-07 8.59e-07 erg/cm2
90%_error_low N/A -3.91e-08 -3.95e-08 -1.72e-07 -1.32e-07 -2.08e-07 erg/cm2
90%_error_hi N/A 2.49e-08 2.52e-08 4.73e-08 8.59e-08 1.14e-07 erg/cm2
Peak flux CPL 2.62e-01 3.48e-01 2.42e-01 9.56e-02 9.17e-01 9.57e-01 ph/cm2/s
90%_error_low -2.62e-01 -1.17e-01 -9.03e-02 -9.56e-02 -4.37e-01 -4.78e-01 ph/cm2/s
90%_error_hi 2.16e-01 1.85e-01 9.72e-02 1.74e-01 3.07e-01 3.62e-01 ph/cm2/s
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